<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <script>
        class Person{
            constructor(name,age){
                this.name = name;
            }
            name="张三"
        }

        let p = new Person();

        console.log(p);
    </script>
</body>
</html>